--- CMakeLists.orig.txt	2022-12-02 02:45:28.000000000 +0100
+++ CMakeLists.txt	2023-07-16 19:59:20.618931313 +0200
@@ -48,5 +48,5 @@
 add_subdirectory(src/libmetis)
 add_subdirectory(src/programs)
 
-add_test(NAME GraphCheck
-COMMAND $<TARGET_FILE:graphchk> ${CMAKE_CURRENT_SOURCE_DIR}/src/tests/tiny_01.graph)
+add_test(NAME GraphCheck64
+COMMAND $<TARGET_FILE:graphchk64> ${CMAKE_CURRENT_SOURCE_DIR}/src/tests/tiny_01.graph)
--- src/libmetis/CMakeLists.orig.txt	2016-02-16 19:06:56.480139000 +0100
+++ src/libmetis/CMakeLists.txt	2016-02-16 19:07:55.511134162 +0100
@@ -1,16 +1,16 @@
 # Find sources.
 file(GLOB metis_sources *.c)
 # Build libmetis.
-add_library(metis ${METIS_LIBRARY_TYPE} ${GKlib_sources} ${metis_sources})
-target_include_directories(metis PUBLIC
+add_library(metis64 ${METIS_LIBRARY_TYPE} ${GKlib_sources} ${metis_sources})
+target_include_directories(metis64 PUBLIC
 $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
 $<INSTALL_INTERFACE:include>
 PRIVATE ${PROJECT_SOURCE_DIR}/src/GKlib ${PROJECT_BINARY_DIR}/src/include
 )
-target_link_libraries(metis PRIVATE $<$<BOOL:${UNIX}>:m>)
-set_target_properties(metis PROPERTIES SOVERSION 0)
+target_link_libraries(metis64 PRIVATE $<$<BOOL:${UNIX}>:m>)
+set_target_properties(metis64 PROPERTIES SOVERSION 0)
 
-install(TARGETS metis
+install(TARGETS metis64
     LIBRARY DESTINATION lib${LIB_SUFFIX}
     RUNTIME DESTINATION lib${LIB_SUFFIX}
     ARCHIVE DESTINATION lib${LIB_SUFFIX})
--- src/programs/CMakeLists.orig.txt	2013-03-30 17:24:45.000000000 +0100
+++ src/programs/CMakeLists.txt	2016-02-16 22:42:18.625946692 +0100
@@ -11,14 +11,14 @@
   endif(Subversion_FOUND)
 endif()
 
-add_executable(gpmetis gpmetis.c cmdline_gpmetis.c io.c stat.c)
-add_executable(ndmetis ndmetis.c cmdline_ndmetis.c io.c smbfactor.c)
-add_executable(mpmetis mpmetis.c cmdline_mpmetis.c io.c stat.c)
-add_executable(m2gmetis m2gmetis.c cmdline_m2gmetis.c io.c)
-add_executable(graphchk graphchk.c io.c)
-add_executable(cmpfillin cmpfillin.c io.c smbfactor.c)
-foreach(prog gpmetis ndmetis mpmetis m2gmetis graphchk cmpfillin)
-  target_link_libraries(${prog} PRIVATE metis)
+add_executable(gpmetis64 gpmetis.c cmdline_gpmetis.c io.c stat.c)
+add_executable(ndmetis64 ndmetis.c cmdline_ndmetis.c io.c smbfactor.c)
+add_executable(mpmetis64 mpmetis.c cmdline_mpmetis.c io.c stat.c)
+add_executable(m2gmetis64 m2gmetis.c cmdline_m2gmetis.c io.c)
+add_executable(graphchk64 graphchk.c io.c)
+add_executable(cmpfillin64 cmpfillin.c io.c smbfactor.c)
+foreach(prog gpmetis64 ndmetis64 mpmetis64 m2gmetis64 graphchk64 cmpfillin64)
+  target_link_libraries(${prog} PRIVATE metis64)
   target_include_directories(${prog} PRIVATE
     ${PROJECT_SOURCE_DIR}/src/GKlib
     ${PROJECT_BINARY_DIR}/src/include
@@ -27,5 +27,5 @@
 #  target_link_libraries(${prog} metis profiler)
 endforeach(prog)
 
-install(TARGETS gpmetis ndmetis mpmetis m2gmetis graphchk cmpfillin
+install(TARGETS gpmetis64 ndmetis64 mpmetis64 m2gmetis64 graphchk64 cmpfillin64
     RUNTIME DESTINATION bin)